Invention Grant
- Patent Title: Purification of polymerizable heterocyclic nitrogen compounds at low temperatures
- Patent Title (中): 在低温下纯化可聚合的杂环氮化合物
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Application No.: US36324853Application Date: 1953-06-22
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Publication No.: US2768169APublication Date: 1956-10-23
- Inventor: HASKELL DONALD M , MCKAY DWIGHT L
- Applicant: PHILLIPS PETROLEUM CO
- Assignee: ConocoPhillips Co
- Current Assignee: ConocoPhillips Co
- Priority: US36324853 1953-06-22
- Main IPC: C07D213/06
- IPC: C07D213/06
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